problem in code

Hi,

I had developed the code and i want to display the data according to the given condition. it is displaying the storage location of a material but when i specify a condition that only this should be displayed it is not working properly.

here's the code:-

tables: mard.
data: begin of itab occurs 0,
      matnr like mard-matnr,
      werks like mard-werks,
      lgort like mard-lgort,
      end of itab.

PARAMETERS: item like mard-MATNR,
            plant like mard-werks.

      select matnr werks lgort FROM mard
        into table itab where matnr eq item and werks eq plant." and ( lgort eq 'w1wp' or lgort eq 'w1wp' ).

        sort itab by matnr lgort.

        loop at itab.
          if itab-lgort eq 'w1wp'.
          write: / itab-matnr,itab-lgort.
          else.
          write: / itab-matnr,itab-lgort.
          endif.
        ENDLOOP.